Skip to product information
Ships in 2–4 business days
Fuel Injector Return Line Kit 98062291 for 04-10 6.6L LLY Duramax Diesel 2pcs
$55.99
Sale price
$55.99
Regular price
In Stock
This Fuel Injector Return Line Kit is a diesel fuel system component compatible with 2004-2010 6.6L LLY Duramax Diesel engines and matches OEM Part# 98062291.
Not sure which part fits your equipment?
Our parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This Fuel Injector Return Line Kit provides the necessary components to restore the fuel return system on heavy-duty diesel engines. The Fuel Injector Return Line Kit ensures that excess fuel is safely and efficiently routed back to the fuel tank, preventing leaks and maintaining proper system pressure. Designed for vehicle owners and diesel technicians, this Fuel Injector Return Line Kit serves as a high-quality replacement for brittle or leaking factory lines.
Key Features & Performance
- High-quality materials resist the corrosive effects of modern diesel fuel
- Precision-engineered connectors ensure a leak-free seal with the fuel injectors
- Flexible tubing allows for proper routing within the tight engine compartment
- Durable construction withstands high engine temperatures and vibration
- Complete kit includes two lines for a comprehensive service of both engine banks
Fitment & Compatibility
- 2004-2010 Chevrolet Silverado 2500 HD / 3500 6.6L LLY Duramax
- 2004-2010 GMC Sierra 2500 HD / 3500 6.6L LLY Duramax
- Other 6.6L LLY Duramax Diesel applications using part number 98062291
Common Uses
- Replacing cracked or leaking fuel return lines during routine maintenance
- Restoring fuel system integrity after an injector replacement or engine overhaul
- Preventing engine bay fires caused by diesel fuel leakage from worn return hoses
Technical Specifications
- Part Number(s): 98062291
- Engine Compatibility: 6.6L LLY Duramax Diesel
- Quantity: 2 Pieces
- Material: Fuel-resistant polymer and metal fittings
Frequently Asked Questions
Q: Why do fuel injector return lines need to be replaced? A: Over time, the rubber components become brittle due to heat and fuel exposure, leading to leaks that can cause performance issues or safety hazards.
Q: Is this kit compatible with LBZ or LMM Duramax engines? A: This specific kit is designed for the 6.6L LLY engine code; always verify your specific engine model and part number before installation.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.